“She is very relieved to be out of [the marriage], frankly,” says a source close to the singer, who recently celebrated her 42nd birthday. “I don’t think she is sitting around crying or wondering if she made the wrong decision.”

Instead Lopez – who is currently with her 3-year-old twins Max and Emme in Atlanta where she’s shooting the movie What to Expect When You’re Expecting – is focused on work. “For her, it’s back to business,” the source says. “She is all about her career. She’s excited to move on.”